.tips {
  font-size: 12px;
  color: #999;
  margin-left: 10px;
  &:last-child{
    margin-left: 0;
  }
}
.num {
  position:relative;
  top:1px;
  padding-left:6px;
  font-size: 12px;
  text-align: left!important;
  color: #999;
}